{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FFRDY7FOHNDC24UB7522ZQGLPH","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"868a1cb4ae41a80174bc8d99ea9a53ddc44bb86d7dc9a875845ba97319b6ce54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T21:00:01Z","title_canon_sha256":"955a8c3bbcbad6a5943817b72618e84754abd07b83dd4b8ac44e6e680204e9b9"},"schema_version":"1.0","source":{"id":"1412.8474","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.8474","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"arxiv_version","alias_value":"1412.8474v1","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.8474","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"pith_short_12","alias_value":"FFRDY7FOHNDC","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FFRDY7FOHNDC24UB","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FFRDY7FO","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:21b2eac693e58978620f2f44f0b52f4786e47ef30bc4a55d366e8e6311f6a53e","target":"graph","created_at":"2026-05-18T01:41:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a detailed investigation of the cluster stellar mass-to-light (M*/L) ratio and cumulative stellar masses, derived on a galaxy-by-galaxy basis, for 12 massive (M500 ~ 10^14 - 10^15 Msun), nearby clusters with available optical imaging data from the Sloan Digital Sky Survey Data Release 10 and X-ray data from the Chandra X-ray Observatory. Our method involves a statistical cluster membership using both photometric and spectroscopic redshifts when available to maximize completeness whilst minimizing contamination effects. We show that different methods of estimating the stellar mass-to","authors_text":"Michael McDonald, Stephane Courteau, Yutong Shan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T21:00:01Z","title":"Revised Mass-to-Light Ratios For Nearby Galaxy Groups and Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.8474","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:69a5b83adee18048993658d1d889e2409184755c356f5de9ee17f8f270064519","target":"record","created_at":"2026-05-18T01:41:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"868a1cb4ae41a80174bc8d99ea9a53ddc44bb86d7dc9a875845ba97319b6ce54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T21:00:01Z","title_canon_sha256":"955a8c3bbcbad6a5943817b72618e84754abd07b83dd4b8ac44e6e680204e9b9"},"schema_version":"1.0","source":{"id":"1412.8474","kind":"arxiv","version":1}},"canonical_sha256":"29623c7cae3b462d7281ff75acc0cb79ee8129c255238253561e1b782e92e4ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29623c7cae3b462d7281ff75acc0cb79ee8129c255238253561e1b782e92e4ef","first_computed_at":"2026-05-18T01:41:15.290603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:15.290603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GNmItkvGqyNpK9TWz4inKQYAXjfoL/8avR+TsR+WyD6Ex3Zp1t2Eij+alasYOx/Odq40aF9Pv7F15pf4krkqDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:15.291329Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.8474","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69a5b83adee18048993658d1d889e2409184755c356f5de9ee17f8f270064519","sha256:21b2eac693e58978620f2f44f0b52f4786e47ef30bc4a55d366e8e6311f6a53e"],"state_sha256":"0301383a1f8a2894d20d8e5b8cb017b74435ae960630644e904649698965a5d6"}